#totopBtn {
  width: 50px;
  height: 50px;
  position: fixed;
  bottom: 5%;
  right: 3%;
  z-index: 10;
  display: none;
  transition: 0.2s;
}

#totopBtn:hover {
  bottom: 6%;
  cursor: pointer;
}

.Header {
  background-color: antiquewhite;
}

.closePage {
  width: 100%;
  height: 15px;
}

.closePage svg {
  cursor: pointer;
  width: 50px;
  height: 50px;
  position: absolute;
  right: 3%;
  top: 5%;
}

.backHome svg {
  cursor: pointer;
  width: 50px;
  height: 50px;
  position: absolute;
  right: 8%;
  top: 5%;
}

span {
  display: inline-block;
}

.Header {
  text-align: center;
  width: 100%;
  z-index: 2;
  background-color: rgba(255, 255, 255, 0.205);
}

.Header h4 {
  display: inline-block;
  position: absolute;
  left: 5%;
  margin-left: 90px;
  line-height: 55px;
  color: #DF0000;
  font-weight: bold;
  font-size: 2.1rem;
}

.Header ul {
  margin: 0;
  padding: 0;
}

.Header li {
  float: none;
  display: inline-block;
  margin: 0em;
  padding: 25px 15px;
}

.Header a {
  font-size: large;
  color: #000;
  padding: 25px 15px;
}

.Header img {
  display: inline-block;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  position: absolute;
  left: 5%;
}

.Header li:hover {
  background-color: rgba(165, 165, 165, 0.3);
  cursor: pointer;
}

.Header li:hover a {
  color: orange;
  text-decoration: none;
}

/* 
.navbar-brand {
    margin: 0;
    padding: 0;
}

.navbar-brand>img {
    transform: translateY(-5%);
}

.logo {
    max-width: 80px;
    border-radius: 50%;
} */

/* 渐变 color1 - color2 - color1 */

hr.style-one {
  border: 0;
  height: 1px;
  background: #333;
  background-image: linear-gradient(to right, #ccc, #333, #ccc);
}

/* 透明渐变 - color - transparent */

hr.style-two {
  border: 0;
  height: 1px;
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
}

/* 双线 */

hr.style-three {
  border: 0;
  border-bottom: 1px dashed #ccc;
  background: #999;
}

/* 单线阴影 */

hr.style-four {
  height: 12px;
  border: 0;
  box-shadow: inset 0 12px 12px -12px rgba(0, 0, 0, 0.5);
}

/* 云朵状 */

hr.style-five {
  border: 0;
  height: 0;
  box-shadow: 0 0 10px 1px black;
}

hr.style-five:after {
  content: "\00a0";
}

/* 内嵌 */

hr.style-six {
  border: 0;
  height: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* 晕状 */

hr.style-seven {
  height: 30px;
  border-style: solid;
  border-color: black;
  border-width: 1px 0 0 0;
  border-radius: 20px;
}

hr.style-seven:before {
  display: block;
  content: "";
  height: 30px;
  margin-top: -31px;
  border-style: solid;
  border-color: black;
  border-width: 0 0 1px 0;
  border-radius: 20px;
}

/* 文字插入式 */

hr.style-eight {
  padding: 0;
  border: none;
  border-top: medium double #333;
  color: #333;
  text-align: center;
}

hr.style-eight:after {
  content: "gb";
  display: inline-block;
  position: relative;
  top: -0.7em;
  font-size: 1.5em;
  padding: 0 0.25em;
  background: white;
}

/* 分隔线统一样式 */

hr {
  margin: 40px 0;
}

.footer {
  margin-top: 25px;
  width: 100%;
  height: 100px;
  background: -webkit-linear-gradient(right, #00ff37, #DF0000);
  /* Safari 5.1 - 6.0 */
  background: -o-linear-gradient(right, #00ff37, #DF0000);
  /* Opera 11.1 - 12.0 */
  background: -moz-linear-gradient(right, #00ff37, #DF0000);
  /* Firefox 3.6 - 15 */
  background: linear-gradient(right, #00ff37, #DF0000);
  /* 标准的语法（必须放在最后） */
}

* img {
  user-select: none;
}